<html>
<head>
<style>
    body{margin: 0px;
    padding: 0px;}
    #module{
        height: 2280px;
    }
</style>    
</head>
<body>
    <div id="module">
        测试
    </div>
    <script>
    window.onload = function(){
        alert(context.rootPath);
        document.querySelector("#module").innerHTML = "aaa";
    }
</script>
</body>
</html>

